Subject: Re: pci_conf_read pci_conf write
To: Frederic GILLIERS <fredg@DotCom.FR>
From: Manuel Bouyer <>
List: tech-kern
Date: 08/03/2000 21:56:16
On Thu, Aug 03, 2000 at 07:08:07PM +0200, Frederic GILLIERS wrote:
> I have a few problems to understand what theese functions do.
> They are called in nearly all pci drivers, and are defined in each Port
> that uses a pci Bus.
> I guess they are related to the PCI bus configuration cycles, but I'm
> not even sure.
> If anyone could tell  me what one or both of these functions do, it
> would be a great help.

Well, they're just used to read or write the registers in the PCI
configuration space of each device.

Manuel Bouyer <>